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authorJan Kara <jack@suse.cz>2019-11-06 10:52:10 +0100
committerJan Kara <jack@suse.cz>2019-11-06 10:52:10 +0100
commitdae82c7fd0926840c832151f3258ba751f73d348 (patch)
tree5cdef8359f6cfb964919ffb0bfa36d2de60140b1 /drivers/block/loop.c
parenta9913d7eafa74eb2e34e26aa31fe80449b999f8e (diff)
parenta0828b6ccbdfd46afbbaa9f28df359081c29109b (diff)
Pull series refactoring quota enabling and disabling code.
Diffstat (limited to 'drivers/block/loop.c')
-rw-r--r--drivers/block/loop.c10
1 files changed, 10 insertions, 0 deletions
diff --git a/drivers/block/loop.c b/drivers/block/loop.c
index 1410fa893653..f6f77eaa7217 100644
--- a/drivers/block/loop.c
+++ b/drivers/block/loop.c
@@ -994,6 +994,16 @@ static int loop_set_fd(struct loop_device *lo, fmode_t mode,
if (!(lo_flags & LO_FLAGS_READ_ONLY) && file->f_op->fsync)
blk_queue_write_cache(lo->lo_queue, true, false);
+ if (io_is_direct(lo->lo_backing_file) && inode->i_sb->s_bdev) {
+ /* In case of direct I/O, match underlying block size */
+ unsigned short bsize = bdev_logical_block_size(
+ inode->i_sb->s_bdev);
+
+ blk_queue_logical_block_size(lo->lo_queue, bsize);
+ blk_queue_physical_block_size(lo->lo_queue, bsize);
+ blk_queue_io_min(lo->lo_queue, bsize);
+ }
+
loop_update_rotational(lo);
loop_update_dio(lo);
set_capacity(lo->lo_disk, size);